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ARS Home » Southeast Area » Athens, Georgia » U.S. National Poultry Research Center » Quality & Safety Assessment Research » People & Locations » Gerald Heitschmidt (Jerry)
Gerald Heitschmidt (Jerry)
Quality & Safety Assessment Research
Specialist

Phone: (706) 546-3519
Fax: (706) 546-3633

950 COLLEGE STATION RD
RBRRC
ATHENS , GA 30605

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Utilization of visible/near-infrared hyperspectral images to classify aflatoxin B1 contaminated maize kernels -
Kimuli, D., Wang, W., Lawrence, K.C., Yoon, S.C., Ni, X., Heitschmidt, G.W. 2018. Utilization of visible/near-infrared hyperspectral images to classify aflatoxin B1 contaminated maize kernels. Biosystems Engineering. 166:150-160.
Detection of aflatoxin B1 (AFB1) in individual maize kernels using short wave infrared (SWIR) hyperspectral imaging -
Chu, X., Wang, W., Yoon, S.C., Ni, X., Heitschmidt, G.W. 2017. Detection of aflatoxin B1 (AFB1) in individual maize kernels using short wave infrared (SWIR) hyperspectral imaging. Biosystems Engineering. 157:13-23.
Hyperspectral imaging using RGB color for foodborne pathogen detection -
Yoon, S.C., Shin, T., Lawrence, K.C., Heitschmidt, G.W., Park, B., Gamble, G.R. 2015. Hyperspectral imaging using RGB color for foodborne pathogen detection. Journal of Electronic Imaging. 24(4):043008.
Feasibility of detecting Aflatoxin B1 in single maize kernels using hyperspectral imaging -
Wang, W., Ni, X., Lawrence, K.C., Yoon, S.C., Heitschmidt, G.W., Feldner, P.W. 2015. Feasibility of detecting Aflatoxin B1 in single maize kernels using hyperspectral imaging. Journal of Food Engineering. Volume 166, Pages 182–192 (2015).
Hyperspectral imaging using a color camera and its application for pathogen detection -
Near-infrared hyperspectral imaging for detecting Aflatoxin B1 of maize kernels -
Wei, W., Lawrence, K.C., Ni, X., Yoon, S.C., Heitschmidt, G.W., Feldner, P.W. 2014. Near-infrared hyperspectral imaging for detecting Aflatoxin B1 of maize kernels. Food Control. Volume 51, Pages 347-355, May 2015.
Feasibility of detecting aflatoxin B1 on inoculated maize kernels surface using Vis/NIR hyperspectral imaging -
Wang, W., Heitschmidt, G.W., Windham, W.R., Feldner, P.W., Ni, X., Chu, X. 2015. Feasibility of detecting aflatoxin B1 on inoculated maize kernels surface using Vis/NIR hyperspectral imaging. Journal of Food Science. 80:M116-M122.
Hyperspectral image reconstruction using RGB color for foodborne pathogen detection on agar plates -
Yoon, S.C., Shin, T., Park, B., Lawrence, K.C., Heitschmidt, G.W. 2014. Hyperspectral image reconstruction using RGB color for foodborne pathogen detection on agar plates. Proceedings of SPIE. V. 9024, Image Processing: Machine Vision Applications VII, 902401 (March 7,);doi:10:1117/12.2041085.
Differentiation of big-six non-O157 shiga-toxin producing escherichia coli (STEC) on spread plates of mixed cultures using hyperspectral imaging -
Yoon, S.C., Windham, W.R., Ladely, S.R., Heitschmidt, G.W., Lawrence, K.C., Park, B., Narang, N., Cray Jr, W.C. 2013. Differentiation of big-six non-O157 shiga-toxin producing escherichia coli (STEC) on spread plates of mixed cultures using hyperspectral imaging. Journal of Food Measurement & Characterization. 7(2):47-59.
Hyperspectral imaging for differentiating colonies of non-O157 shiga-toxin producing echerichia coli (STEC) serogroups on spread plates of pure cultures -
Yoon, S.C., Windham, W.R., Ladely, S.R., Heitschmidt, G.W., Lawrence, K.C., Park, B., Narang, N., Cray Jr, W.C. 2013. Hyperspectral imaging for differentiating colonies of non-O157 shiga-toxin producing echerichia coli (STEC) serogroups on spread plates of pure cultures. Journal of Near Infrared Spectroscopy. 21(2):81-95.
Dynamic and Static Shell Properties of White and Brown Shell Eggs Exposed to Modified-pressure Microcrack Detection Technology -
Jones, D.R., Broussard, V., Lawrence, K.C., Yoon, S.C., Heitschmidt, G.W. 2012. Dynamic and static shell properties of white and brown shell eggs exposed to modified-pressure microcrack detection technology. Poultry Science. 91:2658-2661.
Hyperspectral imaging for detection of non-O157 shiga-toxin producing escherichia coli(STEC) serogroups on spread plates of mixed cultures -
Yoon, S.C., Windham, W.R., Ladely, S.R., Heitschmidt, G.W., Lawrence, K.C., Park, B., Narang, N., Cray Jr, W.C. 2012. Hyperspectral imaging for detection of non-O157 shiga-toxin producing escherichia coli(STEC) serogroups on spread plates of mixed cultures. Proceedings of SPIE. 8369-09.
The effect of regions of interest and spectral pre-processing on the detection of non-O157 shiga-toxin producing escherichia coli serogroups on agar media by hyperspectral imaging -
Windham, W.R., Yoon, S.C., Ladley, S.R., Heitschmidt, G.W., Lawrence, K.C., Park, B., Narang, N., William, C.C. 2012. The effect of regions of interest and spectral pre-processing on the detection of non-O157 shiga-toxin producing escherichia coli serogroups on agar media by hyperspectral imaging. Near Infrared Spectroscopy Journal. 20(5):547-558.
Motion compensated image processing and optimal parameters for egg crack detection using modified pressure -
Yoon, S.C., Lawrence, K.C., Jones, D.R., Heitschmidt, G.W., Park, B. 2012. Motion compensated image processing and optimal parameters for egg crack detection using modified pressure. Sensing and Instrumentation for Food Quality and Safety. 5:172-184.
Improved modified pressure imaging and software for egg micro-crack detection and egg quality grading -
Yoon, S.C., Lawrence, K.C., Jones, D.R., Heitschmidt, G.W. 2012. Improved modified pressure imaging and software for egg micro-crack detection and egg quality grading. Applied Engineering in Agriculture. 28(2):283-293.
Improved hairline crack detector and poor shell-quality eggs -
Lawrence, K.C., Jones, D.R., Yoon, S.C., Heitschmidt, G.W., Anderson, K.E. 2011. Improved hairline crack detector and poor shell-quality eggs. Applied Engineering in Agriculture. 28:153-158.
Rapid screening of huanglongbing-infected citrus leaves by near infrared reflectance spectroscopy -
Windham, W.R., Poole, G.H., Park, B., Heitschmidt, G.W., Albano, J.P., Gottwald, T.R., Lawrence, K.C., Hawkins, S.A. 2011. Rapid screening of huanglongbing-infected citrus leaves by near infrared reflectance spectroscopy. Transactions of the ASABE. 54(6):2253-2258.
Line-scan hyperspectral imaging system for real-time inspection of poultry carcasses with fecal material and ingesta -
Yoon, S.C., Park, B., Lawrence, K.C., Windham, W.R., Heitschmidt, G.W. 2011. Line-scan hyperspectral imaging system for real-time inspection of poultry carcasses with fecal material and ingesta. Computers and Electronics in Agriculture. 79:159-168.
Improved egg crack detection algorithm for modified pressure imaging system -
Yoon, S.C., Lawrence, K.C., Jones, D.R., Heitschmidt, G.W., Park, B. 2011. Improved egg crack detection algorithm for modified pressure imaging system. SPIE. Vol. 8027:U1-7.
Salmonella Contamination in Shell Eggs Exposed to Modified Pressure Imaging for Microcrack Detection -
Jones, D.R., Lawrence, K.C., Yoon, S.C., Heitschmidt, G.W. 2011. Salmonella contamination in shell eggs exposed to modified pressure imaging for microcrack detection. Poultry Science. 90:1616-1619.
Real-time detection of feces on poultry carcasses by A line-scan hyperspectral image camera -
Yoon, S.C., Park, B., Lawrence, K.C., Windham, W.R., Heitschmidt, G.W. 2011. Real-time detection of feces on poultry carcasses by A line-scan hyperspectral image camera. Near Infrared Spectroscopy International Conference Proceedings. p.1013-1015.
Near-Infrared Spectroscopy for discrimination of huanglongbing-infected citrus leaves from uninfected leaves -
Windham, W.R., Poole, G.H., Park, B., Heitschmidt, G.W., Gottwald, T.R., Lawrence, K.C. 2011. Near-Infrared Spectroscopy for discrimination of huanglongbing-infected citrus leaves from uninfected leaves. Proc. the 14th International Conference on NIR Spectroscopy: 235-239.
Near-infrared spectroscopy for discrimination of Huanglongbing-infected citrus leaves from unifected leaves -
Windham, W.R., Poole, G.H., Park, B., Heitschmidt, G.W., Gottwald, T.R., Lawrence, K.C. 2010. Near-infrared spectroscopy for discrimination of Huanglongbing-infected citrus leaves from unifected leaves. American Society of Agricultural and Biological Engineers.
Development of real-time line-scan hyperspectral imaging system for online agricultural and food product inspection -
Yoon, S.C., Park, B., Lawrence, K.C., Windham, W.R., Heitschmidt, G.W. 2010. Development of real-time line-scan hyperspectral imaging system for online agricultural and food product inspection. Proceedings of SPIE. 7676(1).
Line-scan hyperspectral imaging for real-time poultry fecal detection -
Park, B., Yoon, S.C., Windham, W.R., Lawrence, K.C., Heitschmidt, G.W., Kim, M.S., Chao, K. 2010. Line-scan hyperspectral imaging for real-time poultry fecal detection. Proceedings of SPIE Defense, Security, and Sensing 2010, Orlando, FL, April 5-9, 2010; 7676-19.
Implications of Negative Pressure Imaging for Microcrack Detection and Salmonella Contamination in Shell Eggs -
Jones, D.R., Lawrence, K.C., Yoon, S.C., Heitschmidt, G.W. 2010. Implications of Negative Pressure Imaging for Microcrack Detection and Salmonella Contamination in Shell Eggs. European Poultry Conference Proceedings.
Multispectral imaging system with interchangeable filter design -
Kise, M., Park, B., Heitschmidt, G.W., Lawrence, K.C., Windham, W.R. 2010. Multispectral imaging system with interchangeable filter design. Computers and Electronics in Agriculture. 72(2):61-68.
Modified Pressure Imaging for Egg Crack Detection and Resulting Egg Quality -
Jones, D.R., Lawrence, K.C., Yoon, S.C., Heitschmidt, G.W. 2010. Modified pressure imaging for egg crack detection and resulting egg quality. Poultry Science. 89:761-765.
Visible/near-infrared spectroscopy for discrimination of HLB-infected citrus leaves from healthy leaves -
Modified Pressure System for Imaging Egg Cracks -
Lawrence, K.C., Yoon, S.C., Jones, D.R., Heitschmidt, G.W., Park, B., Windham, W.R. 2009. Modified pressure system for imaging egg cracks. Trans.ASABE. 52(3):983-990.
The Effect of Negative-pressure Microcrack Imaging on Egg Quality during Storage -
Jones, D.R., Lawrence, K.C., Yoon, S.C., Heitschmidt, G.W. 2009. The effect of negative-pressure microcrack imaging on egg quality during storage. Poultry Science.
Modified Pressure System for Imaging Egg Cracks -
Lawrence, K.C., Yoon, S.C., Jones, D.R., Heitschmidt, G.W., Park, B., Windham, W.R. 2008. Modified Pressure System for Imaging Egg Cracks. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE).p. 1-14.
Imaging System with Modified-Pressure Chamber for Crack Detection in Shell-Eggs -
Lawrence, K.C., Yoon, S.C., Heitschmidt, G.W., Jones, D.R., Park, B. 2008. Imaging system with modified-pressure chamber for crack detection in shell-eggs. Sensing and Instrumentation for Food Quality and Safety.2:116-122
Effect of spectrally mixed pixels on detection of cecal contaminated broiler carcasses -
Windham, W.R., Heitschmidt, G.W., Lawrence, K.C., Park, B., Smith, D.P. 2008. Effect of spectrally mixed pixels on detection of cecal contaminated broiler carcasses. International Journal of Poultry Science. 6(12):955-959.
Evaluation of Hyperspectral Imaging and Predictive Modeling to Determine Fertility and Development of Broiler Hatching Eggs -
Smith, D.P., Lawrence, K.C., Heitschmidt, G.W., Park, B., Windham, W.R. 2007. Evaluation of Hyperspectral Imaging and Predictive Modeling to Determine Fertility and Development of Broiler Hatching Eggs. Poultry Science Meeting, p. 86 (suppl 1): 385.
Egg embryo development detection with hyperspectral imaging -
Lawrence, K.C., Smith, D.P., Windham, W.R., Heitschmidt, G.W., Park, B., Yoon, S.C. 2007. Egg embryo development detection with hyperspectral imaging. International Journal of Poultry Science. 5(10): 964-969
Improved hyperspectral imaging system for fecal detection on poultry carcasses -
Heitschmidt, G.W., Park, B., Lawrence, K.C., Windham, W.R., Smith, D.P. 2007. Improved hyperspectral imaging system for fecal detection on poultry carcasses. Transactions of the ASABE. 50(4):1427-1432.
Application of Imaging Technology to Chicken Carcasses and Hatching Eggs -
Smith, D.P., Windham, W.R., Lawrence, K.C., Park, B., Heitschmidt, G.W. 2006. Application of Imaging Technology to Chicken Carcasses and Hatching Eggs. Poultry Waste Management Symposium Proceedings.
Egg embryo development detection with hyperspectral imaging -
Lawrence, K.C., Smith, D.P., Windham, W.R., Heitschmidt, G.W., Park, B. 2006. Egg embryo development detection with hyperspectral imaging. Proceedings of SPIE. 6381.
Detection of hatching and table egg defects using hyperspectral imaging -
Smith, D.P., Lawrence, K.C., Heitschmidt, G.W. 2006. Detection of hatching and table egg defects using hyperspectral imaging. European Poultry Conference Proceedings.
Partial Least Squares Regression of Hyperspectral Images for Contaminant Detection on Poultry Carcasses -
Lawrence, K.C., Windham, W.R., Park, B., Heitschmidt, G.W., Smith, D.P. 2006. Partial Least Squares Regression of Hyperspectral Images for Contaminant Detection on Poultry Carcasses. Near Infrared Spectroscopy Journal. 14(4):223-230.
PARTIAL LEAST SQUARES REGRESSION OF HYPERSPECTRAL IMAGES FOR CONTAMINATION DETECTION ON POULTRY CARCASSES -
Lawrence, K.C., Windham, W.R., Park, B., Heitschmidt, G.W., Smith, D.P., Feldner, P.W. 2006. Partial least squares regression of hyperspectral images for contamination detection on poultry carcasses. Journal of Near Infrared Spectroscopy. 14:223-230
Multipurpose hyperspectral imaging system -
Mao, C., Smith, D., Lanoue, M.A., Poole, G.H., Heitschmidt, G.W., Martinez, L., Windham, W.R., Lawrence, K.C., Park, B. 2005. Multipurpose hyperspectral imaging system. NASA Tech Briefs. 29(8):30-31 (Technical Article).
LED lighting for use in multispectral and hyperspectral imaging -
Lawrence, K.C., Park, B., Windham, W.R., Heitschmidt, G.W. 2005. LED lighting for use in multispectral and hyperspectral imaging. ASABE Annual International Meeting. Paper No. 053073.
Fertility and embryo development of broiler hatching eggs evaluated with a hyperspectral imaging and predictive modeling system -
Smith, D.P., Lawrence, K.C., Heitschmidt, G.W. 2008. Fertility and embryo development of broiler hatching eggs evaluated with a hyperspectral imaging and predictive modeling system. International Journal of Poultry Science. 7(10):1001-1004.
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